Cannons, ruins and green hills, Brimstone Hill Fortress, UNESCO World Heritage Site, St. Kitts, St. Kitts and Nevis, Caribbean, Central America

Riezler Alpsee, an artificial lake, feeds snow cannons on the Fellhorn and Kanzelwandbahn slopes, with the Fellhorn behind, 2038m, Allgäu Alps, Bavaria, Germany, Europe

Snow cannon in action in the evening, Alto Adige, South Tyrol, Italy, Europe

Skiing at Piz Corvatsch, snow cannon in background, near St. Moritz, Engadin, Grisons, Switzerland

Woman skiing near snow cannon, Wiedersberger Horn, Kitzbuehel Alps, Tyrol, Austria

Alta Badia ski resort, Sella Ronda ski trail, Val Gardena, Alto Adige, Italy, Europe

Snow cannon spraying snow into a valley between Ehrwald and Lermoos at dusk, Tyrol, Austria, Europe

Snowy snow cannon out of service, Tyrol, Austria, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

Snowgun, Riggisalp, Fribourg, Switzerland

A snow cannon in front of the Zugspitze panorama, Ehrwald, Leermoos, Tirol, Austria, Europe

Snow cannon, snow making machine on the mountaintop plateau on Kronplatz mountain, 2272 m, Kronplatz winter sport region, Bruneck, Puster Valley, Province of Bolzano-Bozen, Italy, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

Snow cannon, snow making machine on the mountaintop plateau on Kronplatz mountain, 2272 m, Kronplatz winter sport region, Bruneck, Puster Valley, Province of Bolzano-Bozen, Italy, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

Snow cannon on Erbeskopf mountain near Morbach in the Hunsrueck mountain range, Rhineland-Palatinate, Germany, Europe

A snow cannon in front of the Zugspitze panorama, Ehrwald, Leermoos, Tirol, Austria, Europe

Snow cannon in winter, SkiWelt Wilder Kaiser, Brixen im Thale, Tyrol, Austria, Europe

Castle ruins on the Schlossberg castle hill of Arnsberg, Sauerland region, North Rhine-Westphalia, Germany, Europe

Castle ruins on the Schlossberg castle hill of Arnsberg, Sauerland region, North Rhine-Westphalia, Germany, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

GlaumbÊr, peat farm and museum in Skagafjoerur, North Iceland, Iceland, Europe

Chrlie Cannon goes into suspended animation through the trees at Mt Hood Meadows, Oregon, United States of America

Snow cannon in action and Mont Blanc Massif, at sunset, seen from the station of Brasses, Haute-Savoie, Alps, France